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Re:Accepts了,但是花的时间很多,请问如何优化?

Posted by hmh0512 at 2009-08-02 19:06:54 on Problem 3438
In Reply To:Accepts了,但是花的时间很多,请问如何优化? Posted by:xiaohao2009 at 2009-04-28 18:09:23
> 这条是水题,Accepts了,但是却花了641MS,感觉好多啊,请问如何优化?完整代码如下:
> #include<iostream>
> #include<string>
> using namespace std;
> 
> int main()
> {
>     int n,i,j,k,flag,m;
>     string str;
>     cin>>n;
>     for(k=0;k<n;k++)
>     {
>                     cin>>str;
>                     for(j=0;j<str.size();j=m)
>                     {
>                                              i=j+1;
>                                              flag=1;
>                                              for(i=j+1,flag=1;str[i]==str[j];i++)
>                                              flag++;
>                                              m=i;
>                                              cout<<flag<<str[j];
>                     }
>                     cout<<endl;
>     }
> 
>     return 0;
> }

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